[164] | 1 | /* sha256.h
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| 2 | *
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| 3 | * Copyright (C) 2006-2015 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL. (formerly known as CyaSSL)
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| 6 | *
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| 7 | * wolfSSL is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * wolfSSL is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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| 20 | */
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| 21 |
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| 22 | /* code submitted by raphael.huck@efixo.com */
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| 23 |
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| 24 | #ifndef WOLF_CRYPT_SHA256_H
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| 25 | #define WOLF_CRYPT_SHA256_H
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| 26 |
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| 27 | #include <wolfssl/wolfcrypt/types.h>
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| 28 |
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| 29 | #ifndef NO_SHA256
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| 30 |
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| 31 | #ifdef HAVE_FIPS
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| 32 | /* for fips @wc_fips */
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| 33 | #include <cyassl/ctaocrypt/sha256.h>
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| 34 | #endif
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| 35 |
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| 36 |
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| 37 | #ifdef __cplusplus
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| 38 | extern "C" {
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| 39 | #endif
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| 40 |
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| 41 | #ifndef HAVE_FIPS /* avoid redefinition of structs */
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| 42 | #ifdef WOLFSSL_PIC32MZ_HASH
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| 43 | #include "port/pic32/pic32mz-crypt.h"
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| 44 | #endif
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| 45 |
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| 46 | /* in bytes */
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| 47 | enum {
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| 48 | SHA256 = 2, /* hash type unique */
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| 49 | SHA256_BLOCK_SIZE = 64,
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| 50 | SHA256_DIGEST_SIZE = 32,
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| 51 | SHA256_PAD_SIZE = 56
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| 52 | };
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| 53 |
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| 54 | #ifndef WOLFSSL_TI_HASH
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| 55 |
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| 56 | /* Sha256 digest */
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| 57 | typedef struct Sha256 {
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| 58 | word32 buffLen; /* in bytes */
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| 59 | word32 loLen; /* length in bytes */
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| 60 | word32 hiLen; /* length in bytes */
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| 61 | word32 digest[SHA256_DIGEST_SIZE / sizeof(word32)];
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| 62 | word32 buffer[SHA256_BLOCK_SIZE / sizeof(word32)];
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| 63 | #ifdef WOLFSSL_PIC32MZ_HASH
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| 64 | pic32mz_desc desc ; /* Crypt Engine descripter */
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| 65 | #endif
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| 66 | } Sha256;
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| 67 |
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| 68 | #else /* WOLFSSL_TI_HASH */
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| 69 | #include "wolfssl/wolfcrypt/port/ti/ti-hash.h"
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| 70 | #endif
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| 71 |
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| 72 | #endif /* HAVE_FIPS */
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| 73 |
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| 74 | WOLFSSL_API int wc_InitSha256(Sha256*);
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| 75 | WOLFSSL_API int wc_Sha256Update(Sha256*, const byte*, word32);
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| 76 | WOLFSSL_API int wc_Sha256Final(Sha256*, byte*);
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| 77 |
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| 78 | #ifdef __cplusplus
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| 79 | } /* extern "C" */
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| 80 | #endif
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| 81 |
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| 82 | #endif /* NO_SHA256 */
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| 83 | #endif /* WOLF_CRYPT_SHA256_H */
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| 84 |
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